A new variant of known malware Petya is believed to be behind the chaos, which initially hit Ukraine, before spreading to companies in a number of other countries, including the UK.

However, it’s not just big businesses that are under threat. Consumers are also at risk and should be wary if they are running operating systems that are vulnerable to the exploit, in other words if you have not patched,” Raj Samani, chief scientist & fellow at McAfee, told the Independent.

Childnet Education Officer Tom offers some top tips for parents to help young people stay safe on Roblox.

“In Childnet education sessions, young people and parents often mention Roblox, the popular gaming site. Young people regularly tell us how much they enjoy the different games and levels within it. This blog explains a bit about Roblox, what to be aware of as a parent and offers our top tips on how to ensure your child stays safe. This is will include:

Mac users are being warned about new variants of malware that have been created specifically to target Apple computers. One is ransomware that encrypts data and demands payment before files are released. The other is spyware that watches what users do and scoops up valuable information.

Experts said they represented a threat because their creators were letting anyone use them for free. The two programs were uncovered by the security firms Fortinet and AlienVault, which found a portal on the Tor “dark web” network that acted as a shopfront for both.

The wide availability of Wi-Fi networks can make it difficult to unplug and disconnect on vacation, but if consumers take that extra step and unplug they can experience a more secure trip.

Despite the benefits experienced from unplugging, most individuals still prefer to stay connected when on vacation. But when individuals put convenience over security, by using unsecured Wi-Fi access points that are easily hackable for example, they leave themselves open to the possibility of having their personal information compromised.

Talking to kids about online safety is a difficult undertaking for many adults, and making the lessons stick is even harder. To that end, Google has launched a new program called Be Internet Awesome, which includes:

An online video game called Interland

A classroom curriculum

A YouTube video series

The game and learning materials are aimed at children that are between 8 and 11. Interland can be played on any of the major browsers. It leads the player through several floating islands where the challenges and puzzles they should complete will teach them about several aspects of online safety: how to choose which information to share with whom, how to choose good passwords, how to deal with online bullies, how to spot scams.

There’s been a huge rise in the use of contactless cards in the UK. One in four card payments are now contactless, totalling more than £3.3 billion every month. However with every new technology, myths develop about security. So what are the facts about contactless cards?

Contactless cards are built using the same secure system as Chip & PIN, so you can be fully confident when paying.

Every contactless card includes a range of robust security features which safeguard your information and protect you against fraud.

There have never been any confirmed reports of money being ‘stolen’ from a contactless card still in a cardholder’s possession in the UK.

And remember, unlike if you lose cash, if you are victim of card fraud you will get your money back from your bank and will never be left out of pocket.

Facts about contactless payments

There’s been a huge rise in the use of contactless cards in the UK. One in four card payments are now contactless, totalling more than £3.3 billion every month. However with every new technology, myths develop about security. So what are the facts about contactless cards?

Contactless cards are built using the same secure system as Chip & PIN, so you can be fully confident when paying.

Every contactless card includes a range of robust security features which safeguard your information and protect you against fraud.

There have never been any confirmed reports of money being ‘stolen’ from a contactless card still in a cardholder’s possession in the UK.

And remember, unlike if you lose cash, if you are victim of card fraud you will get your money back from your bank and will never be left out of pocket.

Perhaps you’re right. It would be great to think that computer users learn from past experiences, and don’t make the mistake of thinking that malware attacks are something that happen to other people, and not themselves.

When using the internet to research or book your holiday or other travel arrangements, the world is literally at your fingertips. However, there are risks associated with doing so – some specific to holiday and travel booking and some which are in common with other types of online purchases.

Fraudsters are stealing large sums of money from victim’s bank accounts by taking control of their mobile phones and intercepting calls/texts messages sent by banks.

Fraudsters are once again gathering as much information as possible on victims and using a method we have warned the public about in the past called SIM splitting, to gain access to people’s bank accounts.

A recent This is Money investigation found that one victim from London lost £22,300 when fraudsters raided their Santander accounts using this method. Another two victims had £19,500 drained from their Santander accounts after criminals intercepted the bank’s text messages.